Finding the Fourth Proportional to 2,893,867,392.13, 3,992,064,568.46 and 1,890,871,313.29
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Solution
The fourth proportional to 2,893,867,392.13, 3,992,064,568.46 and 1,890,871,313.29 is: 2,608,440,315.48
Step by Step Solution
- Step 1: Write the proportion equation
2,893,867,392.13 : 3,992,064,568.46 = 1,890,871,313.29 : x - Step 2: Convert to fraction form
2,893,867,392.13/3,992,064,568.46 = 1,890,871,313.29/x - Step 3: Cross multiply
2,893,867,392.13x = 3,992,064,568.46 × 1,890,871,313.29 - Step 4: Simplify right side
2,893,867,392.13x = 7,548,480,373,289,809,920 - Step 5: Solve for x
x = 7,548,480,373,289,809,920/2,893,867,392.13 - Step 6: Final answer
x = 2,608,440,315.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.